April 07, 2020

General industrial requirements for platinum group minerals

Deposit type
Metal species
Boundary grade
Industrial grade
Block grade
Minimum recoverable thickness (m)
Stone removal thickness (m)
Primary deposit
Ultrabasic rocks containing copper and nickel deposits
Pt+Pd1
0.3-0.5 (g / ton)
≥0.5 (g / ton)
1.0 (g / ton)
1-2
≥2
Pt
0.25-0.42 (g / ton)
≥0.42 (g / ton)
0.84 (g / ton)
Pd
1.25-2.1 (g / ton)
≥2.10 (g / ton)
4.20 (g / ton)
Associated deposit 2
Pt, Pd
0.03 (g / ton)
Os, Ir, Ru, Rh
0.02 (g / ton)
Sand deposit
Loose sedimentary deposit
Pt+Pd
0.03 (g / m 3 )
≥0.1 (g/ m3 )
0.5-1
≥1
Pt
0.025 (g / m 3 )
0.085 (g / m 3 )
Pd
0.125 (g / m 3 )
0.42 (g / m 3 )
Sandstone conglomerate deposit
Pt+Pd
0.1-0.5 (g/ m3 )
1-2 (g/ m3 )
Pt
0.085-0.42 (g/ m3 )
0.84-1 (g / m 3 )
Pd
0.42-2.1 (g/ m3 )
4.2-8.4 (g/ m3 )

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